Microstructure controlled ZnCo2O4/C microhydrangea nanocomposites as highly reliable anodes for lithium-ion batteries

被引：8

作者：

Ding, Chuan ^{[1
]}

Xu, Weilong ^{[1
]}

Wang, Min ^{[1
]}

Zeng, Xueqin ^{[1
]}

Wang, Wei ^{[1
]}

机构：

[1] Changzhou Inst Technol, Sch Civil Engn & Architecture, Changzhou Key Lab Construct Engn Struct & Mat Pro, Changzhou 213032, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ENERGY RESEARCH | 2020年 / 44卷 / 02期

基金：

美国国家科学基金会;

关键词：

citrate-assisted solvothermal process; composite pattern; cyclic reliability; high rate performance; lithium ion batteries; ZnCo2O4; C microhydrangeas; DOPED CARBON; FACILE SYNTHESIS; FLOWER-LIKE; PERFORMANCE; CAPACITY; NANOSTRUCTURES; NANOPARTICLES; MICROSPHERES; COMPOSITES; PRECURSORS;

D O I：

10.1002/er.4956

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

ZnCo2O4/C microhydrangeas with controllable microstructure are successfully synthesized through a simple citrate-guided solvothermal method and following thermal decomposition. The experimental results reveal that the citrate-directed self-regulation of Zn-Co-EG agglomerates play a critical role in the formation of the hydrangea-like precursors. When applied as anode material in lithium ion batteries (LIBs), ZnCo2O4/C microhydrangeas exhibited high available capacities of 964.6 mAh g(-1) at 1 A g(-1) after 200 cycles and 704.4 mAh g(-1) at 4 A g(-1) over 1000 cycles. The excellent reliability is attributed to the superior microstructure that provides many benefits including enhanced electron or ion transport and improved structure stability, etc.

引用

页码：977 / 987

页数：11

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